AIR PRODUCTS & CHEMICALS XI AN CO, an exporter of high‑purity silane and related chemical tank solutions, streams its shipments primarily from Shanghai (Port 57035) to Seattle (Port 3001), consistently serving REC ADVANCED SILICON MATERIALS LLC. Over the past 18 months the supplier recorded eight export events totaling ~108 t, with peak months in July 2024 (2 × ≈35.6 t) and February 2025 (2 × ≈35.6 t), each using HS Code 290512 and occasionally HS 860610, indicating stable product classification. For buyers, the company demonstrates reliable demand‑driven capacity, a focused product portfolio (silane, ISO tanks, containers) and a repeat‑buyer relationship that signals steady downstream consumption in the silicon materials sector. For customs brokers, the pattern offers predictable routing, uniform HS‑code usage and consistent documentation across shipments, facilitating smoother clearance and low risk of classification disputes. The limited but regular trade volume and single‑partner focus suggest a high‑confidence supplier with clear supply chain visibility and manageable customs compliance.